<template>
	<div>
		<!-- 面包屑导航区 -->
		<el-breadcrumb separator-class="el-icon-arrow-right">
		  <el-breadcrumb-item :to="{ path: '/welcome' }">首页</el-breadcrumb-item>
		  <el-breadcrumb-item>用户管理</el-breadcrumb-item>
		  <el-breadcrumb-item>用户列表</el-breadcrumb-item>
		</el-breadcrumb>
		
		<!-- 卡片视图区 -->
		<el-card class="box-card">	
			<el-row  :gutter="30">
				<!-- 一行分为两列 -->
				<el-col :span="7">
					<!-- 搜索区域 -->
					<el-input placeholder="请输入搜索名字" v-model="queryInfo.query" @change="getUserList" clearable>
					   <el-button slot="append" @click="getUserList" icon="el-icon-search"></el-button>
					</el-input>
				</el-col>
				
				<el-col :span="7">
					<el-button type="primary" @click="addDialogVisible = true">添加用户</el-button>
				</el-col>
			</el-row>
			<!-- 用户列表区 -->
			<el-table :data="userList" stripe border>
				<el-table-column type="index" label="序号"></el-table-column>
				<el-table-column label="用户名" prop="username"></el-table-column>
				<el-table-column label="邮箱" prop="email"></el-table-column>
				<el-table-column label="电话" prop="mobile"></el-table-column>
				<el-table-column label="角色" prop="role_name"></el-table-column>
				<el-table-column label="状态">
					<template v-slot="scope">
						<!-- {{scope.row}} -->
						<el-switch v-model="scope.row.mg_state" @change="userStateChanged(scope.row)" active-color="#13ce66" inactive-color="#ff4949">
						</el-switch>
					</template>
				</el-table-column>
				<el-table-column label="操作" width="200px">
					<template v-slot="scope">
						  <el-tooltip effect="dark" content="修改" placement="top" :enterable="false">
							<el-button type="primary" @click="editDialog(scope.row.id)" icon="el-icon-edit" circle></el-button>
						  </el-tooltip>
						  <el-tooltip effect="dark" content="删除" placement="top" :enterable="false">
						  	<el-button type="danger" @click="removeUserById(scope.row.id)"  icon="el-icon-delete" circle></el-button>
						  </el-tooltip>
						  <el-tooltip effect="dark" content="分配角色" placement="top" :enterable="false">
						  	<el-button type="warning"  icon="el-icon-setting" circle @click="setRole(scope.row)"></el-button>
						  </el-tooltip>
						  <!-- <el-button type="success" size="mini" icon="el-icon-check" circle></el-button> -->
						  <!-- <el-button type="warning" size="mini" icon="el-icon-star-off" circle></el-button> --> 
					</template>
				</el-table-column>
			</el-table>
			<!-- 分页区域 -->
			<el-pagination
			      @size-change="handleSizeChange"
			      @current-change="handleCurrentChange"
			      :current-page="queryInfo.pagenum"
			      :page-sizes="[1, 2, 5, 10]"
			      :page-size="queryInfo.pagesize"
			      layout="total, sizes, prev, pager, next, jumper"
			      :total="total">
			    </el-pagination>
		</el-card>
		
		<!-- 添加用户的对话框 -->
		<el-dialog
		  title="添加用户"
		  :visible.sync="addDialogVisible"
		  width="50%" @close="CloseDialog">
		  <!-- 内容主体区 -->
		  <el-form :model="addForm" :rules="addFormRules" ref="addFormRef" label-width="70px">
		    <el-form-item label="用户名" prop="username">
		    <el-input v-model="addForm.username"></el-input>
		    </el-form-item>
			
			<el-form-item label="密码" prop="password">
			<el-input v-model="addForm.password"></el-input>
			</el-form-item>
			
			<el-form-item label="邮箱" prop="email">
			<el-input v-model="addForm.email"></el-input>
			</el-form-item>
			
			<el-form-item label="手机" prop="mobile">
			<el-input v-model="addForm.mobile"></el-input>
			</el-form-item>
		  </el-form>
		  <!-- 底部区 -->
		  <span slot="footer" class="dialog-footer">
		    <el-button @click="addDialogVisible = false">取 消</el-button>
		    <el-button type="primary" @click="addUser">确 定</el-button>
		  </span>
		</el-dialog>

		<!-- 修改用户对话框 -->
		<el-dialog
		  title="修改用户"
		  :visible.sync="editDialogVisible"
		  width="50%" @close="editDialogClosed">
		 <el-form :model="editForm" :rules="editFormRules" ref="editFormRef" label-width="70px">
		   <el-form-item label="用户名">
		     <el-input v-model="editForm.username" disabled></el-input>
		   </el-form-item>
		   <el-form-item label="邮箱" prop="email">
		     <el-input v-model="editForm.email" ></el-input>
		   </el-form-item>
		   <el-form-item label="手机" prop="mobile">
		     <el-input v-model="editForm.mobile" ></el-input>
		   </el-form-item>
		 </el-form>
		  <span slot="footer" class="dialog-footer">
		    <el-button @click="editDialogVisible = false">取 消</el-button>
		    <el-button type="primary" @click="editUser">确 定</el-button>
		  </span>
		</el-dialog>
	
		<!-- 分配角色对话框 -->
		<el-dialog
		  title="分配角色"
		  :visible.sync="setRoleDialogVisible"
		  width="50%"
		  @close="setRoleDialogClosed">
		  <div>
		  	<p>当前的用户：{{userInfo.username}}</p>
			<p>当前的角色：{{userInfo.role_name}}</p>
			<p>分配新角色：
			<el-select v-model="selectedRoleId" placeholder="请选择">
			    <el-option
			      v-for="item in roleList"
			      :key="item.id"
			      :label="item.roleName"
			      :value="item.id">
			    </el-option>
			  </el-select>
			</p>
		  </div>
		  <span slot="footer" class="dialog-footer">
		    <el-button @click="setRoleDialogVisible = false">取 消</el-button>
		    <el-button type="primary" @click="saveRoleInfo">确 定</el-button>
		  </span>
		</el-dialog>
	</div>
</template>

<script>
	export default {
		data() {
			return {
					// 获取用户列表的参数
					queryInfo: {
					// 查询参数
					query: '',
					// 当前页码
					pagenum: 1,
					// 每页显示条数
					pagesize: 1 
				},
				// 用户列表
				userList : [],
				// 数据条数
				total : 0,
				// 控制添加用户对话框的显示与隐藏
				addDialogVisible: false,
				// 添加用户的表单数据
				addForm: {
					username: '',
					password: '',
					email: '',
					mobile: ''
					
				},
				// 添加表单的验证规则对象
				addFormRules: {
					username:[
						{ required: true, message: '请输入用户名', trigger: 'blur' },
						{ min: 3, max: 10, message: '长度在 3 到 10 个字符', trigger: 'blur' }
					],
					password:[
						{ required: true, message: '请输入密码', trigger: 'blur' },
						{ min: 6, max: 15, message: '长度在 6 到 15 个字符', trigger: 'blur' }
					],
					email:[
						{ required: true, message: '请输入邮箱地址', trigger: 'blur' },
						{ type: 'email', message: '请输入正确的邮箱地址', trigger: ['blur', 'change'] }
					],
					mobile:[
						{ required: true, message: '请输入手机号', trigger: 'blur' },
						{ pattern: /^(0|86|17951)?(13[0-9]|15[0123456789]|17[678]|18[0-9]|14[57])[0-9]{8}$/,min:11, max:11, message: '手机号格式不对', trigger: 'blur' }
					]
				},
				//  控制修改用户对话框的显示与隐藏
				editDialogVisible : false,
				// 查询到的用户信息对象
				editForm:{
					
				},
				editFormRules:{
					email:[
						{ required: true, message: '请输入用户邮箱', trigger: 'blur' },
						{ type: 'email', message: '请输入正确的邮箱地址', trigger: ['blur', 'change'] }
					],
					mobile:[
						{ required: true, message: '请输入用户的手机号', trigger: 'blur' },
						{ pattern: /^(0|86|17951)?(13[0-9]|15[0123456789]|17[678]|18[0-9]|14[57])[0-9]{8}$/,min:11, max:11, message: '手机号格式不对', trigger: 'blur' }
					]
				},
				// 控制分配角色对话框的显示与隐藏
				setRoleDialogVisible : false,
				// 需要被分配角色用户信息
				userInfo: {},
				// 所有角色的数据列表
				roleList: [],
				// 已选中的角色id值
				selectedRoleId:''
			}
		},
		created() {
			// 获取用户列表
			this.getUserList()
		},
		methods:{
			async getUserList(){
				const { data: res } = await this.$http.get('users' , { params: this.queryInfo })
				if(res.meta.status !== 200) {
					// 如果没有retrun出去,那就证明数据获取成功
					return this.$message.error("获取用户列表失败");
				}
				this.userList = res.data.users
				this.total = res.data.total
				// console.log(res)
			},
			// 监听 pagesize 改变的事件
			handleSizeChange(nesSize) {
			     this.queryInfo.pagesize = nesSize
				 this.getUserList()
			    },
			// 监听 页码值 改变的事件
			handleCurrentChange(newPage) {
			    this.queryInfo.pagenum = newPage
				this.getUserList()
			},
			// 监听 switch 开关状态的改变
			async userStateChanged(userinfo) {
				// API文档put(`users/${userinfo.id}/state/${userinfo.mg_state}`
				const {data: res} = await this.$http.put(`users/${userinfo.id}/state/${userinfo.mg_state}`)
				if(res.meta.status !== 200) {
					userinfo.mg_state = !userinfo.mg_state
					return this.$message.error('更新用户状态失败')
				}
				this.$message.success('更新用户状态成功')
			},
			// 监听添加用户对话框的关闭事件
			CloseDialog(){
				//没关闭添加用户对话框就重置表单
				this.$refs.addFormRef.resetFields()
			},
			// 点击按钮 添加新用户数据
			addUser(){
				this.$refs.addFormRef.validate(async valid => {
					// 如果数据格式不对,返回false, return
					if(!valid) return
					// 可以发起添加用户的网络请求
					const {data : res} = await this.$http.post('users', this.addForm)
					if(res.meta.status !== 201){
						this.$message.success("添加用户失败");
					}
					
					this.$message.success("添加用户成功");
					// 把添加用户对话框隐藏掉
					this.addDialogVisible = false
					// 重新获取用户数据列表
					this.getUserList()
				})
			},
			// 修改用户对话框
			async editDialog(id){
				const {data:res} = await this.$http.get('users/' + id)
				if(res.meta.status !== 200) {
					this.$message.error('查询用户信息失败')
				}
				this.editForm = res.data
				this.editDialogVisible = true
				// console.log(id)
				
			},
			// 监听修改用户对话框的关闭事件
			editDialogClosed(){
				//去掉验证状态错误提示
				this.$refs.editFormRef.resetFields()
			},
			// 点击按钮 修改用户数据
			editUser(){
				this.$refs.editFormRef.validate(async valid => {
					// console.log(valid)
					// 如果数据格式不对,返回false, return
					if(!valid) return
					// 可以发起添加用户的网络请求
					const {data : res} = await this.$http.put('users/' + this.editForm.id,{
						email:this.editForm.email,mobile:this.editForm.mobile})
				
					if(res.meta.status !== 200){
						this.$message.success("修改用户信息失败");
					}
					// 把修改用户对话框隐藏掉
					this.editDialogVisible = false
					// 刷新数据列表
					this.getUserList()
					this.$message.success("修改用户信息成功");
				})
			},
			// 根据ID删除对应用户信息
			async removeUserById(id){
				// 弹框， 询问用户是否删除
				const res = await this.$confirm('此操作将永久删除该用户, 是否继续?', '提示', {
				         confirmButtonText: '确定',
				         cancelButtonText: '取消',
				         type: 'warning'
				    }).catch(err => {return err})
				// console.log(res)
				// 如果用户确认删除,返回字符串 confirm
				// 如果用户取消删除,返回字符串 cancel
				if(res !== 'confirm'){
					return this.$message.info('已取消删除')
				}
				// {data:res} 重构属性
				const {data:resa} = await this.$http.delete('users/' + id)
				if(resa.meta.status !== 200){
					this.$message.error('删除用户失败')
				} 
				this.$message.success('删除用户成功')
				this.getUserList()
			},
			// 展示分配角色的对话框
			async setRole(userInfo){
				this.userInfo = userInfo
				const {data:res} = await this.$http.get('roles/')
				if(res.meta.status !== 200){
					this.$message.error('获取角色列表失败')
				} 
				this.$message.success('获取角色列表成功')
				this.roleList = res.data
				this.setRoleDialogVisible = true
			},
			// 点击按钮，分配角色
			async saveRoleInfo(){
				if(!this.selectedRoleId){
					return this.$message.error('请选择要分配的角色！')
				}
				const {data:res} = await this.$http.put(`users/${this.userInfo.id}/role`,
				{rid:this.selectedRoleId})
				if(res.meta.status !== 200){
					return this.$message.error('分配角色失败')
				} 
				this.$message.success('分配角色成功')
				this.getUserList()
				this.setRoleDialogVisible = false
			},
			// 监听分配角色对话框的关闭事件
			setRoleDialogClosed(){
				this.selectedRoleId = ''
				this.userInfo = []
			}
		}
	}
</script>

<style>
</style>

